4131871326 has 72 divisors (see below), whose sum is σ = 10043567352. Its totient is φ = 1216620000.

The previous prime is 4131871297. The next prime is 4131871339. The reversal of 4131871326 is 6231781314.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5501451 + ... + 5502201.

It is an arithmetic number, because the mean of its divisors is an integer number (139493991).

Almost surely, 2^4131871326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4131871326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5021783676).

4131871326 is an abundant number, since it is smaller than the sum of its proper divisors (5911696026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4131871326 is a wasteful number, since it uses less digits than its factorization.

4131871326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558 (or 804 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 4131871326 is about 64279.6338352981. The cubic root of 4131871326 is about 1604.6571766117.

The spelling of 4131871326 in words is "four billion, one hundred thirty-one million, eight hundred seventy-one thousand, three hundred twenty-six".